Centralized checkpoints and collusion by mining cartels with exchanges. Sorry but Bitcoin Cash is not Bitcoin. Experiment away.
How can a checkpoint be centralised? Centralisation is mostly about mining hash distribution. Checkpoints are just a protection against an attack, used because CSW threatened an attack
We need a place where we can discuss bitcoin but you have to answer some math and logic questions before you get a login. Maybe someone can create on-chain proof of math ability.
I find there's a lot of people here who just repeat talking points & apply them where they don't make sense because they don't have a fundamental understanding of how bitcoin works.